Manufacturer Part Number
TPS71933-28DRVR
Manufacturer
Texas Instruments
Introduction
TPS71933-28DRVR is a dual-output Low Drop Out voltage regulator ideal for applications requiring low power consumption and stable output voltage.
Product Features and Performance
Dual-Channel LDO Regulator
Fixed Output Voltages of 3.3V and 2.8V
Maximum Input Voltage of 6.5V
Low Dropout Voltage: 0.4V at 200mA load for each channel
Output Current Capacity: 200mA per channel
Low Quiescent Current: 160 µA
Supply Current: Maximum 250 µA
Excellent PSRR: 63dB ~ 44dB across 100Hz to 1MHz
Enable Pin for On/Off Control
Product Advantages
High Power Supply Rejection Ratio ensures stable voltage regulation
Low Dropout Voltage makes it suitable for battery-operated devices
Dual independent channels provide flexibility for powering multiple circuits
Low quiescent current enhances battery life
Wide operating temperature range for use in diverse environments
Key Technical Parameters
Number of Regulators: 2
Voltage Input (Max): 6.5V
Voltage Output (Min/Fixed): 3.3V, 2.8V
Voltage Dropout (Max): 0.4V @ 200mA
Current Output: 200mA
Current Quiescent (Iq): 160 µA
PSRR: 63dB ~ 44dB (100Hz ~ 1MHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over-Current Protection
Over-Temperature Protection
Under Voltage Lockout (UVLO)
Compatibility
Surface Mountable with 6-WDFN Exposed Pad
Compatible with 6-WSON (2x2) package requirements
Application Areas
Mobile Phones
Wireless and Portable Devices
Battery Powered Equipment
Microcontrollers and Digital Systems
Product Lifecycle
Product Status: Active
Not indicated as nearing discontinuation
Replacements or upgrades not specified
Several Key Reasons to Choose This Product
Reliable performance from Texas Instruments
Dual regulated outputs reduce component count in designs
High PSRR ensures clean power supply despite noisy inputs
Extended operating temperature range for industrial applications
Low power consumption benefits portable and battery-powered devices
Comprehensive protection features safeguard against electrical irregularities
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